<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

  <style>
    div{
      width: 100px;
        height: 100px;
        background-color: #f00;
        margin: 100px auto 0;
        transition: 2s;
    }

    div:hover
    {
        background-color: #0aa1ed;
        border-radius: 50px;
        transform: scale(2) rotate(720deg);
    }

  </style>


</head>
<body>
  <div>
      <img src="今日作业/1.png" alt="">
  </div>
</body>
</html>